The alien frogs explain they are looking for a unicorn they had invited to tea earlier.
"She came to tea," they explain,
"But she ate ALL the food on our home planet!"
"All the cake!"
"All the cheese!"
"All the broccoli!"
"She even ate the bags the crisps came in!"
"Will you help us find her?"
The frogs are outraged that you won't help them!
"You humans are as bad as unicorns!"
Some of them point their ray guns at you while the rest ransack your house and steal all the food.
Just as you think you are leaving and you are safe, they shoot you anyway!
You and the frogs start discussing plans on how to catch the greedy unicorn.
You suggest cooking something to lure her to you.
"What shall we cook?"